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UltravioletPhotography

UVEX Ultrasonic 9302045 goggles


Cadmium

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My tests of the UVEX Ultrasonic 9302045 goggles.

A while back my friend gave me these excellent goggles as a gift (Thank you! :)).

These are very comfortable goggles, they block out any side light, they are very well built, and these block UV better than any of my other UV eye protection.

This model has two lenses, the bottom clear lens, and the upper flip down dark lens.

In all of my test shots, I am testing each lens individually (not in flip down double lens 'stacked' mode).

Both lenses seem to block UV-A completely.

The clear lens passes some of the UVB 200 Reptile Lamp transmission, flipping down the upper dark lens will block that.

These two lenses stacked together provide probably the best UV protection I can imagine.

This model even claims to be good for "Welding protection model 9302.043/045".

You can see fairly well through the dark flip down lens filter of these goggles, which is not anywhere near as dark as a #12 or #14 welding glass filter

(which are impossible to see anything through except the sun and electric welding), so I will not trust my eyes to these goggles to weld with.

I do some electric welding, and I know how strong of UV electric welding produces, it will give you a severe sunburn if your skin is not covered.

 

Here is a link to the UVEX page (use photo arrow right to get to the photo of the 9302045 model;

http://www.uvex-safe...vex-ultrasonic/

 

Here is a link to the common black light bulb I am using here:

http://www.feit.com/...ht/bpesl15t-blb

 

Here is a link to the REPTILE UVB 200 lamp to see spectrum and info:

http://www.exo-terra...tile_uvb200.php

 

post-87-0-30756600-1488681212.jpg

 

Outdoor test against sky with Sparticle transmission test:

post-87-0-55231100-1488681239.jpg

 

Sparticle tests of common Black Light vs Reptile UVB 200 lamp, Baader U on camera lens:

post-87-0-15561300-1488681253.jpg

 

Common Black Light tests, Baader U on camera lens:

post-87-0-96840100-1488681274.jpg

 

post-87-0-15696800-1488681297.jpg

 

Repltile UVB 200 tests, with Baader U on camera lens:

post-87-0-04700300-1488681325.jpg

 

post-87-0-55695100-1488681335.jpg

 

MTE 303 tests, with Baader U on camera lens:

post-87-0-57529700-1488681361.jpg

 

post-87-0-96577900-1488681375.jpg

 

post-87-0-10576100-1488681394.jpg

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The REPTILE UVB 200 lamp to see spectrum and info:

http://www.exo-terra...tile_uvb200.php

Doesn't have any safety warnings for humans ?

How does a desert receive any more UVB then anywhere else ?

Col

 

That online graph was a little hard to read, here is a photo of the UV transmission graph on the side of the Reptile UVB 200 26W bulb box:

post-87-0-46701500-1488859281.jpg

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I see no evidence that the "UV-B lamp" emits any more UV-B than the other lamp. Both are just mercury-vapor lamps--one just has a UV-A-blocking coating on it (what the benefit to reptiles of that might be, I cannot say; the wavelengths below 280 nm do not correspond to anything found in sunlight at ground level.) I suspect it is no more dangerous than the "ordinary" black light (which should of course be treated with respect.)
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Hi Clark, I may have misread the graph numbers of the Lizard Lamp (what I call it). The image was a little small, so I blew it up here. Is this how it looks to you?

290 340 390 440 490 540 590 640 690 740

 

I was reading the 390 as 300, and the 440 as 400 before, and I thought the 290 read 250, which still looks like 250 to me, but not if you follow that progression of numbers, so sorry.

So it really should have more transmission peaks in UV-A range on the Sparticle. I will try testing it again sometime, but that doesn't make sense to me. It should have more power than the Black Light bulb also.

I have not tested the Lizard Lamp before, so I probably should not have used it in the UVEX goggle test.

http://www.exo-terra...tile_uvb200.php

post-87-0-87608000-1488836546.jpg

 

Actually, here is a much clearer picture of the graph, photographed off the box the bulb came in:

post-87-0-81152800-1488859370.jpg

 

Sorry for the previous confusion.

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Andy Perrin

Isn't UVB between 280 and 315? UVC starts at 280 and it has none, but it looks like there is plenty of UVB in the lamp. (But maybe the same as the other.)

 

Here, I redigitized it using a program I have for extracting numbers from pictures.

post-94-0-39698300-1488860131.jpg

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I tested the two bulbs in live view just now. The Black Light (13W) and the Reptile UVB 200 (26W),

and I can clearly see light through all of the Sparticle BP filters with each bulb,

however the Black Light is much stronger, and doesn't require much exposure time compared to the UVB 200.

The black light also is more even, with about the same brightness through all of the BP filters,

where as the UVB 200 has less brightness in the upper UV BP filters compared to the middle and lower BP filters.

So basically the UVB 200 bulb, although it is 26W compared to 13W, doesn't have as much light power as the Black Light, and not as even.

That is why it looks so dark in my comparison shot of the two bulbs above.

Visually, of course, the 26W UVB 200 puts out a lot more light than does the 13W Black Light,

and that may be where all those extra watts are being used, for the visual part of its spectrum which the Black Light doesn't need.

The UVB 200 might be handy for filters and lenses that transmit in a lower UV range, like around 300nm to 350nm, but my lenses will only transmit down to about 320/325nm,

and my black light puts out more UV brightness in that range than the UVB 200 does.

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The effects in UVIVF might be different with different subjects.....medium wave & long wave UV excitation ?

Col

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This Lizard Lamp is really getting popular! ;-)

Anyway, here is a shot of the Black Light and the Reptile UVB 200 bulb side by side., and yes, they are both plugged in and powered up, it almost looks like the UVB 200 is not turned on, but it is.

This will show you how much brighter the 13W Black Light is in UV-A compared to the dimmer 26W Lizard.

Shot with Kuri 35mm/Baader U.

post-87-0-63053600-1488878009.jpg

 

Here is a pic of the two bulbs in visual.

post-87-0-65479000-1488886438.jpg

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